CBSE Class 10 Answered
solve ax+by=a-b, bx-ay=a+b
Asked by deepakdorik | 31 May, 2009, 10:48: AM
Expert Answer
ax+by=a-b...(1)
bx-ay=a+b ...(2)
Add a*(1) and b*(2),
(a2 +b2)x=a2 +b2
x=1
Put in (1),y=-1
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